body,
html {
  width: 100%;
  height: 100%;
  background: #f7f7f7;
}
.tan {
  display: -webkit-box;
  display: -moz-box;
}
header {
  height: 1.30666667rem;
  background: #e4366b;
  display: -webkit-box;
  display: -moz-box;
  -webkit-box-pack: justify;
  -webkit-box-align: center;
}
header span {
  display: block;
}
header span:nth-child(2) {
  color: white;
  font-size: 16px;
}
nav {
  width: 90%;
  height: 5.06666667rem;
  border: 2px solid #ebebeb;
  border-radius: 10px;
  position: absolute;
  top: 80px;
  left: 17px;
  background: #ffffff;
}
nav ul li {
  height: 1.2rem;
  border-bottom: 2px solid #f1f1f1;
  list-style: none;
  display: -webkit-box;
  display: -moz-box;
  color: #1e1e1e;
  -webkit-box-align: center;
  -webkit-box-pack: justify;
}
nav ul li span:nth-child(1) {
  padding-left: 0.26666667rem;
}
nav ul li span:nth-child(2) {
  padding-right: 0.26666667rem;
}
nav ul li span {
  display: block;
}
nav li:nth-child(4) {
  border-bottom: none;
}
.nav_a {
  width: 90%;
  height: 2.4rem;
  border: 2px solid #ebebeb;
  border-radius: 10px;
  position: absolute;
  top: 300px;
  left: 17px;
  background: #ffffff;
}
.nav_a ul li {
  height: 1.2rem;
  border-bottom: 2px solid #f1f1f1;
  list-style: none;
  display: -webkit-box;
  display: -moz-box;
  color: #1e1e1e;
  -webkit-box-align: center;
  -webkit-box-pack: justify;
}
.nav_a ul li span:nth-child(1) {
  padding-left: 0.26666667rem;
}
.nav_a ul li span:nth-child(2) {
  padding-right: 0.26666667rem;
}
.nav_a ul li span {
  display: block;
}
.nav_a li:nth-child(2) {
  border-bottom: none;
}
.nav_b {
  width: 90%;
  height: 1.30666667rem;
  background: #e93c71;
  position: absolute;
  top: 400px;
  left: 17px;
  border-radius: 10px;
  text-align: center;
  line-height: 48px;
  color: white;
  font-size: 14px;
  cursor: pointer;
}
footer {
  width: 100%;
  height: 1.2rem;
  background: #484850;
  position: fixed;
  bottom: 0;
  color: white;
}
footer ul li {
  list-style: none;
  -webkit-box-flex: 1;
  color: white;
}
footer ul {
  display: -webkit-box;
  display: -moz-box;
  text-align: center;
  -webkit-box-align: center;
}
footer span {
  display: block;
}
